number of dimensions of an array
n=ndims(A)
:A an array : :n integer, the number of dimensions of the array :
n=ndims(A) return the number of dimension of the array A. n is greater than or equal to 2.
A=`rand`_(2,3);
ndims(A)
A=`rand`_(2,3,2);
`size`_(A),ndims(A)
H=[1/%s,1/(%s+1)]
ndims(H)